diff --git a/composer.lock b/composer.lock
index 0ac69bb13..2bc7a1a9b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4950,16 +4950,16 @@
         },
         {
             "name": "grpc/grpc",
-            "version": "1.80.0",
+            "version": "1.81.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/grpc/grpc-php.git",
-                "reference": "a0dc463d5d5064cdd7ff344f13f61d7e233f9b5a"
+                "reference": "47046d6b2a6cc7e68806a287d6a1fee57e0c40da"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/grpc/grpc-php/zipball/a0dc463d5d5064cdd7ff344f13f61d7e233f9b5a",
-                "reference": "a0dc463d5d5064cdd7ff344f13f61d7e233f9b5a",
+                "url": "https://api.github.com/repos/grpc/grpc-php/zipball/47046d6b2a6cc7e68806a287d6a1fee57e0c40da",
+                "reference": "47046d6b2a6cc7e68806a287d6a1fee57e0c40da",
                 "shasum": ""
             },
             "require": {
@@ -4988,9 +4988,9 @@
                 "rpc"
             ],
             "support": {
-                "source": "https://github.com/grpc/grpc-php/tree/v1.80.0"
+                "source": "https://github.com/grpc/grpc-php/tree/v1.81.0"
             },
-            "time": "2026-03-30T09:22:39+00:00"
+            "time": "2026-05-20T09:30:50+00:00"
         },
         {
             "name": "nikic/php-parser",